81216170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{2083}}^1$

素因数の和:2654

約数の個数: 32

約数和(自身を含む): 167453568

約数和(自身を除く): 86237398

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 557, 1114, 2083, 2785, 3899, 4166, 5570, 7798, 10415, 14581, 19495, 20830, 29162, 38990, 72905, 145810, 1160231, 2320462, 5801155, 8121617, 11602310, 16243234, 40608085, 81216170]

約数ペア:

[(1, 81216170), (2, 40608085), (5, 16243234), (7, 11602310), (10, 8121617), (14, 5801155), (35, 2320462), (70, 1160231), (557, 145810), (1114, 72905), (2083, 38990), (2785, 29162), (3899, 20830), (4166, 19495), (5570, 14581), (7798, 10415)]